Thomas A Edison

6 Key Inventions by Thomas Edison thomas edison Thomas Edison Thomas Alva Edison was a famous American inventor and businessman whose work played a key role in forming the basis for the technological and thomas edison ผลงาน Thomas Edison invented the light bulb thomas edison, We all regard Thomas Edison as a great inventor เพิ่มคำ

thomas jefferson In 1862, he learned how to use a railroad telegraph Edison then spent many years traveling around Canada and the , working as a telegraph operator and